Placenta accreta, percreta, increta

Question 1

definition

Answer 1

• it is the abN adherent placenta eg one that adhere to the myometrium directly without intervening deciduas

Question 2

classification

Answer 2

⮚ Acc to degree of attachment
1. placenta accrete vena : placenta villi penetrate the basal membrane only
2. placenta increta : villi penetrate basal membrane and half of myometrium
3. placenta percreta : villi penetrate basal thru the whole thickness of the wall of the uterus even thru the serosa so that if may invade surrounding organ
⮚ Acc to amount of placenta involment
1. focal adherence : single cotyledon
2. partial adherence : several cotyledon
3. total adherence : entire placenta

Question 3

etiologic factors

Answer 3

• risk dt lower segment C section
• association with placenta previa
• previous C section
• previous placenta accrete
• presence of one or more scar

Question 4

diagnosis

Answer 4

● US examination: lack of the sonolucent area benearth the implantation site
● Color Doppler
● MRI: no plane of cleavage is found between the placenta and the myometrium